System and method for adjusting the frequency of updating certificate revocation list

摘要

A method for adjusting the frequency of updating certificate revocation list is provided. The method is used in a certificate authority. The method includes: receiving a first information indicating security levels from neighbor certificate authorities in a neighborhood or a central certificate authority; detecting whether the certificate authority has received a signal indicating that a user is using a revoked certificate and generating a second information of a security level; calculating an index value or a set of index values by the first information indicating the security levels of neighborhoods and the second information indicating its own security level; and adjusting the update frequency of updating the certificate revocation list according to the calculated index values or the set of index values.

主权项

1. A method for adjusting a frequency of updating a certificate revocation list, wherein the method is used in a certificate authority server, comprising:
receiving a first information indicating security levels of neighborhoods from neighbor certificate authorities or a central certificate authority; detecting whether the certificate authority has received a signal indicating that a user is using a revoked certificate and generating a second information indicating a security level; calculating an index value or a set of index values according to the first information indicating the security levels of neighborhoods and the second information indicating its own security level; adjusting the frequency of updating the certificate revocation list according to the index value or the set of index values; broadcasting the frequency of updating the certificate revocation list, or a timestamp of updating a next certificate revocation list, or a time amount of a counting down process for triggering a next certificate revocation list broadcast; and transmitting the second information indicating the security level to the neighbor certificate authorities in the neighborhood.